Grodan Starter Plugs 1.5" x 1.5" x 1.5" - 98 CellsThe ideal propagation medium, Grodan's sustainable rock wool starter cubes saturate easily, hold their shape, and distribute EC evenly. To reduce the risk of damage to seedlings and cuttings, its important for your grow cube to be firm and hold its shape. Grodan starter cubes remain firm, despite the low density of their fiber structure. Their rock wool grow cubes were developed to have low resistance to developing roots, resulting in quicker rooting

Mixes with peat moss

More than 670 full color photos

Meters can be recalibrated with a mini-screwdriver

This is particularly necessary when using salty make-up water because such water causes nuisance chemicals to build up rapidly to toxic levels

Enhanced water and nutrient absorption

Dissolves mineral build-up with natural acids

Input Volts/Hz: 120V-60Hz

Aids in plant resistance against environmental stress

however VeloKelp is most beneficial during early plant development:

and greenhouse plantings

The lamps are made to assure consistency in quality and optimized for high performance

the latent acid cleans the surface of the roots simultaneously infusing the surface with a large shot of phosphorus resulting in explosive root